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Simplify 170:85
The simplified ratio of 170:85 is 2:1. Free ratio calculator with GCD breakdown.
2:1
GCD of 170 and 85 is 85. Simplified: 170/85 : 85/85 = 2:1
How This Was Calculated
Simplification: Divide both terms by their GCD.A:B = (A/GCD) : (B/GCD)
Solving proportions: A/B = C/D — cross-multiply to find the missing value.
Scaling: Multiply both terms by the scale factor.
Quick Reference Table
| Input | Result |
|---|---|
| 170 / 80 | 17:8 |
| 170 / 83 | 170:83 |
| 170 / 84 | 85:42 |
| 170 / 86 | 85:43 |
| 170 / 87 | 170:87 |
| 170 / 90 | 17:9 |
Frequently Asked Questions
What is a ratio?
A ratio compares two quantities by division.
How do I simplify a ratio?
Divide both numbers by their greatest common divisor (GCD).
Can ratios have decimal values?
Yes, but simplified ratios are typically expressed as whole numbers.